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- W2012607166 abstract "Abstract In contrast with ceramic material, it is very difficult to prepare single crystal of (La,Sr) 2 CuO 4 (LSCO) with high Tc and sharp transition by flux method. The origin was possibly explained to be doping level, structure ordering, oxygen or Cu deficiencies and the contamination by the crucible materials in the crystal. At present the problem remains to be unsolved. We have carried out an extensive investigation on the relation between the growth conditions and the superconductivity of the crystals. Recently, we reported a new route to study fluorination of high Tc superconductors — crystal growth from high temperature solution with F as additive, and found that a small amount of SrF 2 could improve the superconducting transition temperature. Ac susceptibility measurement showed that the transition temperature of Tc=37K with width of 3 K for the asgrown crystal and Tc=38.5K with width of 1.5 K after oxygenation have been reached." @default.
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- W2012607166 date "1997-08-01" @default.
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- W2012607166 title "Crystal growth and superconductivity of (La,Sr)2CuO4 with SrF2 as additive" @default.
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- W2012607166 doi "https://doi.org/10.1016/s0921-4534(97)00333-x" @default.
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